diapedesis

American  

[dahy-uh-pi-dee-sis] / ˌdaɪ ə pɪˈdi sɪs /

noun

Physiology.

1. the passage of blood cells, especially leukocytes, through the unruptured walls of the capillaries into the tissues.

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diapedesis British  

/ ˌdaɪəpəˈdiːsɪs, ˌdaɪəpəˈdɛtɪk /

noun

1. the passage of blood cells through the unruptured wall of a blood vessel into the surrounding tissues

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Other Word Forms

• diapedetic
  adjective

Etymology

Origin of diapedesis

1615–25; < New Latin < Greek diapḗdēsis a leaping through, equivalent to diapēdē- (verbid stem of diapēdân to leap through) + -sis -sis

Example Sentences

To one of Virchow's pupils, Prof. Recklinghausen, we chiefly owe our knowledge of the phenomena of diapedesis as a part of the inflammatory activity.

From Scientific American Supplement, No. 787, January 31, 1891 by Various

Fournier also mentions a curious case of diapedesis in a woman injured by a cow.

From Anomalies and Curiosities of Medicine by Pyle, Walter L. (Walter Lytle)

More remarkable and strange is the action of the Indian viper-poison on the minute ganglia in the vaso-motor nerve ends, which control the capillary circulation, and by their paralysis bring about extensive hæmorrhage through diapedesis.

From On Snake-Poison: its Action and its Antidote by Mueller, A.

The theory of blood pressure may apply to diapedesis accompanying the inflammatory process.

From On Snake-Poison: its Action and its Antidote by Mueller, A.

That leading feature of viper poison, diapedesis with hæmorrhage, does not occur with either.

From On Snake-Poison: its Action and its Antidote by Mueller, A.